12in.
(305 mm)
Min.
12in.
(305 mm)
Min.
20 in. (508 mm)
Min.
Note: Maximum height from floor under fireplace to top of finished hearth extension is
| 20 in. |
| (508 mm) Min. |
Floor | Hearth Extension |
Micore | Hearth Strip |
| Noncombustible Material |
Figure 8.4 Raised Hearth Extension
12 in. |
|
|
(305 mm) | 12 in. |
|
Min. |
| |
| (305 mm) | 30 in. (762 mm) |
| Min. | min. |
Figure 8.5 Flush Hearth Extension
Note: Maximum height from floor under fireplace to top of finished heart extension is
Floor | 30 in. |
|
(762 mm) Min. |
| |
|
| |
| Hearth Extension |
|
Micore | Noncombustible Material | Hearth Strip |
| ||
|
|
26 | Heat & Glo • |